1. LMP7732MM/NOPB Substitution Conclusion Direct substitution is not recommended. Although the LMP7732MM/NOPB shares compatible package and supply voltage range with the original OPA2369AIDGKT, their core performance targets are fundamentally different. The LMP7732 offers a gain-bandwidth product (22 MHz) and slew rate (2.4 V/µs) that are three orders of magnitude higher than those of the OPA2369 (12 kHz, 0.005 V/µs). The LMP7732 is intended for high-speed signal processing applications, whereas the OPA2369 is specifically designed for ultra-low-power, low-frequency precision measurement. The critical distinction lies in the LMP7732's quiescent current (5 mA), which is over 7000 times greater than that of the OPA2369 (0.7 µA), and its input bias current (14 nA), which is 1000 times higher than the OPA2369's (10 pA). If directly substituted into circuits originally designed for the OPA2369—such as ultra-low-power, high-impedance sensor interfaces—system power consumption would increase drastically, potentially failing to meet battery-powered requirements. Furthermore, significant measurement error would be introduced for high-output-impedance signal sources.